72 lines
2.0 KiB
C#
72 lines
2.0 KiB
C#
#region Copyright & License Information
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/*
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* Copyright 2007-2015 The OpenRA Developers (see AUTHORS)
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* This file is part of OpenRA, which is free software. It is made
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* available to you under the terms of the GNU General Public License
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* as published by the Free Software Foundation. For more information,
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* see COPYING.
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*/
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#endregion
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using System.Linq;
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using OpenRA.Traits;
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namespace OpenRA.Mods.Common.Traits
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{
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[Desc("Grants upgrades to the actor this is attached to when prerequisites are available.")]
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public class GlobalUpgradableInfo : ITraitInfo, Requires<UpgradeManagerInfo>
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{
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[UpgradeGrantedReference, FieldLoader.Require]
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[Desc("List of upgrades to apply.")]
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public readonly string[] Upgrades = { };
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[FieldLoader.Require]
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[Desc("List of required prerequisites.")]
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public readonly string[] Prerequisites = { };
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public object Create(ActorInitializer init) { return new GlobalUpgradable(init.Self, this); }
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}
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public class GlobalUpgradable : INotifyAddedToWorld, INotifyRemovedFromWorld
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{
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readonly GlobalUpgradableInfo info;
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readonly GlobalUpgradeManager globalManager;
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readonly UpgradeManager manager;
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bool wasAvailable;
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public GlobalUpgradable(Actor self, GlobalUpgradableInfo info)
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{
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this.info = info;
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globalManager = self.Owner.PlayerActor.Trait<GlobalUpgradeManager>();
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manager = self.Trait<UpgradeManager>();
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}
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public void AddedToWorld(Actor self)
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{
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if (info.Prerequisites.Any())
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globalManager.Register(self, this, info.Prerequisites);
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}
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public void RemovedFromWorld(Actor self)
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{
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if (info.Prerequisites.Any())
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globalManager.Unregister(self, this, info.Prerequisites);
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}
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public void PrerequisitesUpdated(Actor self, bool available)
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{
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if (available == wasAvailable)
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return;
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if (available)
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foreach (var u in info.Upgrades)
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manager.GrantUpgrade(self, u, this);
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else
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foreach (var u in info.Upgrades)
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manager.RevokeUpgrade(self, u, this);
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wasAvailable = available;
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}
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}
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}
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